Effect of Solvent and Cosolvent on the Morphology and Permeance of Asymmetric Polymide Membrane

Seong Hyun Yoo; Jae Young Jho; Jongok Won; Hyunn Chae Park; Yong Soo Kang

Journal of Industrial and Engineering Chemistry, Vol.6, No.2, 129-132, March, 2000

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Effect of Solvent and Cosolvent on the Morphology and Permeance of Asymmetric Polymide Membrane

Seong Hyun Yoo, Jae Young Jho , Jongok Won¹, Hyunn Chae Park^{1, †}, and Yong Soo Kang¹

Hyperstructured Organic Materials Research Center and School of Chemical Engineering, Seoul National University, Seoul 151-742, Korea
¹Polymer Physics Lab., Korea Institute of Scicence and Technology, Seoul 130-650, Korea

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The effect of solvent/cosolvent composition on the morphology and permeance of polyimide membrane was investigated. Asymmetric membranes were fabricated through phase inversion using immersion-precipitation method. The mixture of γ-butyrolactone (GBL) and N-metyl-2-pyrrolidinone (NMP) was used as solvent. The membrane morphology changed from finger-like to sponge-like as the proportion of GBL increased. It was proved that the heat of mixing of solvent and nonsolvent was an important factor in controlling the membrane morphology. Membranes of finger-free morphology and high permeance could be prepared by controlling the solvent/cosolvent ratio.

Keywords:asymmetric membrane;phase separation;macrovoid;heat of mixing

[References]

Strathmann H, Koch K, Amar P, Baker RW, Desalination, 16, 179 (1975)
Lonsdale HK, J. Membr. Sci., 10, 81 (1982)
Sternling CV, Scriven LE, AIChE J., 5, 514 (1959)
Uragami T, Ohsumi Y, Sugihara M, Polymer, 23, 999 (1982)
Roesink HDW, Microfiltration, Membrane Development and Module Design, Ph.D. Thesis, University of Twente, The Natherlands (1989)
Boom RM, Wienk KM, van den Boomgaard T, Smolders CA, J. Membr. Sci., 73, 277 (1992)
Bottino A, Camera-Roda G, Capannelli G, Munari S, J. Membr. Sci., 57, 1 (1991)
Yanagishita H, Nakane T, Yoshitome H, J. Membr. Sci., 89(3), 215 (1994)
Matsumoto K, Xu P, Nishikimi T, J. Membr. Sci., 81, 15 (1993)
Chen LW, Young TH, J. Membr. Sci., 59, 15 (1991)
Kim TH, Koros WJ, Husk GR, O'brien KC, J. Membr. Sci., 37, 45 (1988)
Hachisuka H, Ohara T, Ikeda K, J. Membr. Sci., 116(2), 265 (1996)
Won J, Park CM, Kang YS, Park HC, Kim UY, Membr. J., 7, 191 (1997)
Christensen JJ, Rowley RL, Izatt RM, Handbook of Heats of Mixing, Supplementary Volume, John Wiley and Sons (1988)
Tweddle TA, Kutowy O, Thayer WL, Sourirajan S, Ind. Eng. Chem. Prod. Res. Dev., 22, 320 (1983)
Wang DL, Li K, Teo WK, J. Membr. Sci., 98(3), 233 (1995)

[Referenced By]

[Related Articles]

[1] Strathmann H, Koch K, Amar P, Baker RW, Desalination, 16, 179 (1975)

[2] Lonsdale HK, J. Membr. Sci., 10, 81 (1982)

[3] Sternling CV, Scriven LE, AIChE J., 5, 514 (1959)

[4] Uragami T, Ohsumi Y, Sugihara M, Polymer, 23, 999 (1982)

[5] Roesink HDW, Microfiltration, Membrane Development and Module Design, Ph.D. Thesis, University of Twente, The Natherlands (1989)

[6] Boom RM, Wienk KM, van den Boomgaard T, Smolders CA, J. Membr. Sci., 73, 277 (1992)

[7] Bottino A, Camera-Roda G, Capannelli G, Munari S, J. Membr. Sci., 57, 1 (1991)

[8] Yanagishita H, Nakane T, Yoshitome H, J. Membr. Sci., 89(3), 215 (1994)

[9] Matsumoto K, Xu P, Nishikimi T, J. Membr. Sci., 81, 15 (1993)

[10] Chen LW, Young TH, J. Membr. Sci., 59, 15 (1991)

[11] Kim TH, Koros WJ, Husk GR, O'brien KC, J. Membr. Sci., 37, 45 (1988)

[12] Hachisuka H, Ohara T, Ikeda K, J. Membr. Sci., 116(2), 265 (1996)

[13] Won J, Park CM, Kang YS, Park HC, Kim UY, Membr. J., 7, 191 (1997)

[14] Christensen JJ, Rowley RL, Izatt RM, Handbook of Heats of Mixing, Supplementary Volume, John Wiley and Sons (1988)

[15] Tweddle TA, Kutowy O, Thayer WL, Sourirajan S, Ind. Eng. Chem. Prod. Res. Dev., 22, 320 (1983)

[16] Wang DL, Li K, Teo WK, J. Membr. Sci., 98(3), 233 (1995)